1393508740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{124643}}^1$

素因数の和:124708

約数の個数: 48

約数和(自身を含む): 3224789568

約数和(自身を除く): 1831280828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 124643, 249286, 498572, 623215, 1246430, 1620359, 2492860, 3240718, 5359649, 6481436, 8101795, 10719298, 16203590, 21438596, 26798245, 32407180, 53596490, 69675437, 107192980, 139350874, 278701748, 348377185, 696754370, 1393508740]

約数ペア:

[(1, 1393508740), (2, 696754370), (4, 348377185), (5, 278701748), (10, 139350874), (13, 107192980), (20, 69675437), (26, 53596490), (43, 32407180), (52, 26798245), (65, 21438596), (86, 16203590), (130, 10719298), (172, 8101795), (215, 6481436), (260, 5359649), (430, 3240718), (559, 2492860), (860, 1620359), (1118, 1246430), (2236, 623215), (2795, 498572), (5590, 249286), (11180, 124643)]